blob: 2b8aaaed4d0944b76607e7329993cd38e361e49e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
// Copyright 2014 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.devtools.build.lib.packages;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.cmdline.LabelSyntaxException;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.concurrent.ThreadSafety.ThreadSafe;
import java.io.Serializable;
import java.util.Collections;
import java.util.List;
/**
* A rule visibility that simply says yes or no. It corresponds to public,
* legacy_public and private visibilities.
*/
@Immutable @ThreadSafe
public class ConstantRuleVisibility implements RuleVisibility, Serializable {
static final Label LEGACY_PUBLIC_LABEL; // same as "public"; used for automated depot cleanup
private static final Label PUBLIC_LABEL;
private static final Label PRIVATE_LABEL;
public static final ConstantRuleVisibility PUBLIC =
new ConstantRuleVisibility(true);
public static final ConstantRuleVisibility PRIVATE =
new ConstantRuleVisibility(false);
static {
try {
PUBLIC_LABEL = Label.parseAbsolute("//visibility:public");
LEGACY_PUBLIC_LABEL = Label.parseAbsolute("//visibility:legacy_public");
PRIVATE_LABEL = Label.parseAbsolute("//visibility:private");
} catch (LabelSyntaxException e) {
throw new IllegalStateException();
}
}
private final boolean result;
public ConstantRuleVisibility(boolean result) {
this.result = result;
}
public boolean isPubliclyVisible() {
return result;
}
@Override
public List<Label> getDependencyLabels() {
return Collections.emptyList();
}
@Override
public List<Label> getDeclaredLabels() {
return ImmutableList.of(result ? PUBLIC_LABEL : PRIVATE_LABEL);
}
/**
* Tries to parse a list of labels into a {@link ConstantRuleVisibility}.
*
* @param labels the list of labels to parse
* @return The resulting visibility object, or null if the list of labels
* could not be parsed.
*/
public static ConstantRuleVisibility tryParse(List<Label> labels) {
if (labels.size() != 1) {
return null;
}
return tryParse(labels.get(0));
}
public static ConstantRuleVisibility tryParse(Label label) {
if (PUBLIC_LABEL.equals(label) || LEGACY_PUBLIC_LABEL.equals(label)) {
return PUBLIC;
} else if (PRIVATE_LABEL.equals(label)) {
return PRIVATE;
} else {
return null;
}
}
}
|
